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.\"
.\" Copyright (c) 1997 David E. O'Brien
.\"
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
.\" $FreeBSD$
.\"
.Dd January 19, 1997
.Dt FXP 4
.Os
.Sh NAME
.Nm fxp
.Nd Intel EtherExpress Pro/100B ethernet device driver
.Sh SYNOPSIS
.Cd "device miibus"
.Cd "device fxp"
.Sh DESCRIPTION
The
.Nm
driver provides support for the EtherExpress Pro/10, InBusiness
10/100, Pro/100 B, Pro/100+, Pro/100 VE, Pro/100 M, and Pro/100 S
PCI Fast Ethernet adapters based on the Intel i82557, i82558, i82559,
i82550, or i82562 Ethernet chips.
Many on-board network interfaces on Intel motherboards use these chips
and are also supported.
.Pp
The
.Nm
driver supports the following media types:
.Pp
.Bl -tag -width xxxxxxxxxxxxxxxxxxxx
.It autoselect
Enable autoselection of the media type and options
.It 10baseT/UTP
Set 10Mbps operation
.It 100baseTX
Set 100Mbps (fast ethernet) operation
.El
.Pp
The
.Nm
driver supports the following media options:
.Pp
.Bl -tag -width xxxxxxxxxxxxxxxxxxxx
.It full-duplex
Set full duplex operation
.El
.Pp
Note that 100baseTX media type is not available on the Pro/10.
For further information on configuring this device, see
.Xr ifconfig 8 .
.Pp
The
.Nm
driver also supports a special link option:
.Bl -tag -width link0
.It Cm link0
Some chip revisions have loadable microcode which can be used to reduce the
interrupt load on the host cpu.
Not all boards have microcode support.
Setting the
.Cm link0
flag with
.Xr ifconfig 8
will download the microcode to the chip if it is available.
.El
.Sh DIAGNOSTICS
.Bl -diag
.It "fxp%d: couldn't map memory"
A fatal initialization error has occurred.
.It "fxp%d: couldn't map interrupt"
A fatal initialization error has occurred.
.It "fxp%d: Failed to malloc memory"
There are not enough mbuf's available for allocation.
.It "fxp%d: device timeout"
The device has stopped responding to the network, or there is a problem with
the network connection (cable).
.It "fxp%d: Ethernet address ff:ff:ff:ff:ff:ff"
In some Alpha's (AXPpci and Multia) you must tell the driver to use (slower)
I/O rather than memory to access the card.
Create, if it does not yet exist, and add to the file
.Pa /boot/device.hints
the line
.Dq Li hint.fxp.0.prefer_iomap="0" .
.It "fxp%d: Microcode loaded, int_delay: %d usec bundle_max: %d"
The chip has successfully downloaded the microcode, and changed the
parameterized values to the given settings.
.El
.Sh SEE ALSO
.Xr arp 4 ,
.Xr miibus 4 ,
.Xr netintro 4 ,
.Xr ng_ether 4 ,
.Xr ifconfig 8
.Sh HISTORY
The
.Nm
device driver first appeared in
.Fx 2.1 .
.Sh AUTHORS
.An -nosplit
The
.Nm
device driver was written by
.An David Greenman .
It has then been updated to use the busdma API and made endian-clean by
.An Maxime Henrion .
This manual page was written by
.An David E. O'Brien .
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